2188551142328 has 16 divisors (see below), whose sum is σ = 4114534827480. Its totient is φ = 1091341855008.

The previous prime is 2188551142249. The next prime is 2188551142331. The reversal of 2188551142328 is 8232411558812.

It is a super-2 number, since 2×2188551142328² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366711350 + ... + 366717317.

Almost surely, 2^{2188551142328} is an apocalyptic number.

It is an amenable number.

2188551142328 is a deficient number, since it is larger than the sum of its proper divisors (1925983685152).

2188551142328 is a wasteful number, since it uses less digits than its factorization.

2188551142328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733429046 (or 733429042 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 50.

The spelling of 2188551142328 in words is "two trillion, one hundred eighty-eight billion, five hundred fifty-one million, one hundred forty-two thousand, three hundred twenty-eight".